Lexus NX: Diagnostic Trouble Code Chart

Lexus NX Service Manual / Engine & Hybrid System / Cruise Control / Front Radar Sensor System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Front Radar Sensor System

DTC No.	Detection Item	Link
C1A1100	Front Radar Sensor Optical Axis Misalignment Malfunction
C1A8C46	Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure
C1A8D1C	Power Supply Circuit in Front Radar Sensor Circuit Voltage Out of Range
C1A9000	Malfunction of Millimeter-wave Circuit in Front Radar Sensor
C1A9100	Malfunction of Acceleration Sensor in Front Radar Sensor
U010487	Lost Communication with Cruise Control Module Missing Message
U030557	Software Incompatibility with Cruise Control Module Invalid/Incompatible Software Component

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Automatic High Beam

The Automatic High Beam uses an in-vehicle camera sensor to assess the brightness of streetlights, the lights of oncoming and preceding vehicles, etc., and automatically turns high beam on or off as necessary. WARNING ■Limitations of the Automatic High Beam Do not rely on the Automatic Hi

CAN Communication Failure (Message Registry) (U1000)

DESCRIPTION This DTC is output when an internal malfunction of the CAN communication-related ECU is stored. DTC No. Detection Item DTC Detection Condition Trouble Area U1000 CAN Communication Failure (Message Registry) A headlight ECU sub-assembly LH CAN communication function malfu

Lexus NX: Diagnostic Trouble Code Chart

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Vehicle Control History

Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure (C1A8C46,C1A8D1C,C1A9000,C1A9100)

Front Radar Sensor Optical Axis Misalignment Malfunction (C1A1100)

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Automatic High Beam

CAN Communication Failure (Message Registry) (U1000)